1052401340 has 48 divisors (see below), whose sum is σ = 2309186880. Its totient is φ = 402124800.

The previous prime is 1052401333. The next prime is 1052401381. The reversal of 1052401340 is 431042501.

It is a super-2 number, since 2×1052401340² = 2215097160867591200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656540 + ... + 658140.

It is an arithmetic number, because the mean of its divisors is an integer number (48108060).

Almost surely, 2^1052401340 is an apocalyptic number.

1052401340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052401340 is an abundant number, since it is smaller than the sum of its proper divisors (1256785540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052401340 is a wasteful number, since it uses less digits than its factorization.

1052401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1052401340 is about 32440.7358116304. The cubic root of 1052401340 is about 1017.1705964842.

Adding to 1052401340 its reverse (431042501), we get a palindrome (1483443841).

The spelling of 1052401340 in words is "one billion, fifty-two million, four hundred one thousand, three hundred forty".